<template>
  <div class="manage">
    <el-dialog :title="dialogForm.type === 'add' ? '新增菜单' : '更新菜单'" :visible.sync="dialogForm.isShow">
      <el-form ref="form" label-width="100px" :model="dialogForm.formData">
        <el-form-item label-width="40px" style="margin-bottom:4px ">
          <el-form-item label="编号" style="display:inline-block" prop="code">
            <el-input placeholder="请输入编号" v-model.trim="dialogForm.formData.code" />
          </el-form-item>
          <el-form-item label="名称" style="display:inline-block" prop="name">
            <el-input placeholder="请输入名称" v-model.trim="dialogForm.formData.name" />
          </el-form-item>
        </el-form-item>
        <el-form-item label-width="40px" style="margin-bottom:4px ">
          <el-form-item label="图标" style="display:inline-block" prop="icon">
            <el-select v-model="dialogForm.formData.icon" placeholder="请选择">
              <el-option v-for="item in icons" :key="item" :label="item" :value="item">
                <i :class="'iconfont icon-r-' + item"> {{ item }}</i>
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="路径" style="display:inline-block" prop="path">
            <el-input placeholder="请输入路径" v-model.trim="dialogForm.formData.path" />
          </el-form-item>
        </el-form-item>
        <el-form-item label="备注" label-width="140px" style="width:450px" prop="remark">
          <el-input type="textarea" placeholder="请输入" v-model.trim="dialogForm.formData.remark"
            :autosize="{ minRows: 2, maxRows: 4 }" maxlength="100" show-word-limit />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogForm.isShow = false"> 取消</el-button>
        <el-button type="primary" @click="confirm"> 确定</el-button>
      </div>
    </el-dialog>
    <div style="margin-bottom: 10px">
      <el-upload :action="importApi" :headers="headers" accept="xlsx" :show-file-list="false"
        :on-success="handleImportSuccess" :multiple="false" style="display:inline-block;">
        <el-button type="success"> 导入
        </el-button>
      </el-upload>
      <el-button type="warning" @click="exportData" style="margin-left: 10px"> 导出
      </el-button>
      <el-button type="primary" @click="handleAdd"> 新增
      </el-button>
      <el-popconfirm style="margin-left: 10px" confirm-button-text='确定' cancel-button-text='我再想想' title="你确定删除吗？"
        @confirm="handleDeleteBatch">
        <el-button type="danger" slot="reference"> 批量删除
        </el-button>
      </el-popconfirm>
      <el-button type="primary" @click="search" style="margin-left: 10px"> 搜索</el-button>
      <el-button type="danger" @click="reset"> 重置</el-button>
    </div>

    <!-- 搜索 -->
    <div class="manage-header">
      <el-form label-width="auto" :model="searchForm.formData" :inline="true">
        <el-form-item label="名称" prop="name">
          <el-input placeholder="请输入名称" v-model.trim="searchForm.formData.name" prefix-icon="el-icon-search" />
        </el-form-item>
      </el-form>
    </div>
    <!-------------------------数据表格-------------------->
    <div class="common-table">
      <el-table :data="table.tableData" height="85%" border stripe row-key="id" :header-cell-style="{
      background: '#eef1f6', color: '#606266',
      textAlign: 'center', fontWeight: 'bold', borderWidth: '3px'
    }" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="50" align="center" />
        <el-table-column prop="code" label="编号" min-width="80" align="center" />
        <el-table-column prop="name" label="名称" min-width="80" align="center" />
        <el-table-column prop="icon" label="图标" min-width="80" align="center" />
        <el-table-column prop="path" label="路径" min-width="80" align="center" />
        <el-table-column prop="remark" label="备注" min-width="200" align="center" />
        <el-table-column label="操作" width="340" fixed="right" align="center">
          <template slot-scope="scope">
            <el-button type="primary" @click="handleEdit(scope.row)"> 编辑</el-button>
            <el-popconfirm style="margin-left:10px;margin-right:10px" confirm-button-text='确定' cancel-button-text='我再想想'
              title="你确定删除吗？" @confirm="handleDelete(scope.row.id)">
              <el-button type="danger" slot="reference"> 删除 </el-button>
            </el-popconfirm>
            <el-button type="warning" v-if="scope.row.parentId === 0" @click="handleSubAdd(scope.row.id)">
              新增</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination class="pager" layout="total,sizes,prev,pager,next,jumper"
        :page-size="table.pageConfig.size ? table.pageConfig.size : 10" :page-sizes="[5, 10, 15, 20]"
        :total="table.pageConfig.total" :current-page.sync="table.pageConfig.current" @size-change="handleSizeChange"
        @current-change="handleCurrentChange"></el-pagination>
    </div>
  </div>
</template>
<script>
import { add, deleteBatch, deleteOne, edit, getExportApi, getImportApi, getList } from '../../../api/menu'
import { mapState } from 'vuex'

export default {
  name: 'Menu',
  data() {
    return {
      icons: [
        "home",
        "setting",
        "refresh",
        "building",
        "shield",
        "paper",
        "team",
        "user1",
        "user2",
        "user3",
        "mark1",
        "mark2",
        "mark3",
        "mark4",
        "yes",
        "no",
        "left",
        "right",
        "top",
        "bottom",
        "list",
        "edit",
        "add",
        "delete",
        "find"
      ],
      dialogForm: {
        type: 'add', // add为新增，edit为编辑
        isShow: false,
        formData: {}
      },
      searchForm: {
        formData: {}
      },
      table: {
        tableData: [],
        pageConfig: {
          total: 10, // 记录总数
          current: 1, // 起始页
          size: 10 // 每页展示的记录数
        }
      },
      ids: []
    }
  },
  computed: {
    ...mapState('token', ['token']),
    headers() {
      return { token: this.token }
    },
    // 获取导入数据的接口
    importApi() {
      return getImportApi()
    }
  },
  methods: {
    // 点击新增按钮，弹出对话框
    handleAdd() {
      this.dialogForm.isShow = true
      this.dialogForm.type = 'add'
      this.dialogForm.formData = {}
    },
    handleSubAdd(id) {
      this.dialogForm.isShow = true
      this.dialogForm.type = 'add'
      this.dialogForm.formData = { parentId: id }
    },
    handleDelete(id) {
      deleteOne(id).then(
        response => {
          if (response.code === 200) {
            this.$message.success('删除成功！')
            this.loading()
          } else {
            this.$message.error('删除失败！')
          }
        }
      )
    },
    handleDeleteBatch() {
      deleteBatch(this.ids).then(response => {
        if (response.code === 200) {
          this.$message.success('批量删除成功！')
          this.loading()
        } else {
          this.$message.error('批量删除失败！')
        }
      })
    },
    handleEdit(row) {
      this.dialogForm.isShow = true
      this.dialogForm.type = 'edit'
      this.dialogForm.formData = row
    },
    confirm() {
      // 通过type来判断是新增还是编辑
      if (this.dialogForm.type === 'add') {
        add(this.dialogForm.formData).then((response) => {
          if (response.code === 200) {
            this.$message.success('添加成功！')
            this.dialogForm.isShow = false
            this.loading()
          } else {
            this.$message.error('添加失败！')
          }
        })
      } else {
        edit(this.dialogForm.formData).then((response) => {
          if (response.code === 200) {
            this.$message.success('修改成功！')
            this.dialogForm.isShow = false
            this.loading()
          } else {
            this.$message.error('修改失败！')
          }
        })
      }
    },
    search() {
      this.loading()
    },
    // 重置搜索表单
    reset() {
      this.searchForm.formData = {}
      this.loading()
    },
    handleSizeChange(size) {
      this.table.pageConfig.size = size
      this.loading()
    },
    handleCurrentChange(current) {
      this.table.pageConfig.current = current
      this.loading()
    },
    handleSelectionChange(list) {
      this.ids = list.map(item => item.id)
    },
    // 将数据渲染到模板
    loading() {
      getList({
        current: this.table.pageConfig.current,
        size: this.table.pageConfig.size,
        name: this.searchForm.formData.name
      }).then(response => {
        if (response.code === 200) {
          this.table.tableData = response.data.list
          this.table.pageConfig.total = response.data.total
        } else {
          this.$message.error(response.message)
        }
      })
    },
    // 导出数据
    exportData() {
      window.open(getExportApi())
    },
    handleImportSuccess(response) {
      if (response.code === 200) {
        this.$message.success('数据导入成功！')
        this.loading()
      } else {
        this.$message.error('数据导入失败！')
      }
    }
  },
  created() {
    this.loading()
  }
}
</script>
